/*
 * =========================================================================================
 * Copyright © 2013-2015 the kamon project <http://kamon.io/>
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied. See the License for the specific language governing permissions
 * and limitations under the License.
 * =========================================================================================
 */

package kamon.util

import kamon.metric.instrument.Histogram

object Latency {
  def measure[A](histogram: Histogram)(thunk: ⇒ A): A = {
    val start = RelativeNanoTimestamp.now
    try thunk finally {
      val latency = NanoInterval.since(start).nanos
      histogram.record(latency)
    }
  }
}
